<template>
    <div class="login-wrap">
        <div class="ms-login">
            <div class="ms-title">后台管理系统</div>
            <el-form :model="param" :rules="rules" ref="login" label-width="0px" class="ms-content">
                <el-form-item prop="account">
                    <el-input v-model="param.account" placeholder="account">
                        <el-button slot="prepend" icon="el-icon-lx-people"></el-button>
                    </el-input>
                </el-form-item>
                <el-form-item prop="password">
                    <el-input
                        type="password"
                        placeholder="password"
                        v-model="param.password"
                        @keyup.enter.native="submitForm()"
                    >
                        <el-button slot="prepend" icon="el-icon-lx-lock"></el-button>
                    </el-input>
                </el-form-item>

                 <el-form-item prop="code">
                    <el-input
                    v-model="param.code"
                    auto-complete="off"
                    placeholder="验证码"
                    style="width: 65%"
                    >
                    <!-- <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon" /> -->
                    </el-input>
                    <div class="login-code">
                        <img :src="codeUrl" @click="getCode" class="login-code-img"/>
                    </div>
                </el-form-item>

                <div class="login-btn">
                    <el-button type="primary" @click="submitForm()">登录</el-button>
                </div>
                
            </el-form>
        </div>
    </div>
</template>

<script>
import {getCodeImg} from "@/api/login"

export default {
    data: function() {
        return {
            param: {
                account: 'admin',
                password: '123456',
                code: '',
                uuid: ''
            },
            codeUrl: '',
            rules: {
                account: [{ required: true, message: '请输入用户名', trigger: 'blur' }],
                password: [{ required: true, message: '请输入密码', trigger: 'blur' }],
                code: [{  required: true, trigger: "change", message: "验证码不能为空" }]
            },
        };
    },
    created () {
        //获取验证码 
        this.getCode();  
    },
    methods: {
        submitForm() {
            this.$refs.login.validate(valid => {
                if (valid) {
                    this.$store.dispatch('Login', this.param).then(res => {
                        if(res.code === 406){
                            this.$message.error('验证码错误')
                        }else if(res.code === 407){
                            this.$message.error('账号或密码错误')
                        }else{
                            this.$router.push({ path: "/" })
                        }
                    })
        
                } else {
                    this.$message.error('请输入账号和密码');
                    console.log('error submit!!');
                    return false;
                }
            });
        },
        getCode() {
            getCodeImg().then(res => {
                this.codeUrl = "data:image/gif;base64,"+res.data.img;
                this.param.uuid = res.data.uuid;
            })
        }
        
    },
};
</script>

<style scoped>
.login-wrap {
    position: relative;
    width: 100%;
    height: 100%;
    background-image: url(../../assets/img/login-bg.jpg);
    background-size: 100%;
}
.ms-title {
    width: 100%;
    line-height: 50px;
    text-align: center;
    font-size: 20px;
    color: #fff;
    border-bottom: 1px solid #ddd;
}
.ms-login {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 350px;
    margin: -190px 0 0 -175px;
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.3);
    overflow: hidden;
}
.ms-content {
    padding: 30px 30px;
}
.login-btn {
    text-align: center;
}
.login-btn button {
    width: 100%;
    height: 36px;
    margin-bottom: 10px;
}
.login-tips {
    font-size: 12px;
    line-height: 30px;
    color: #fff;
}
.login-code {
    width: 33%;
    height: 38px;
    float: right;
    
}
.login-code-img {
    height: 38px;
}
</style>